| Capital City | State | Abbreviation | Representative ZIP Code |
|---|---|---|---|
| Montgomery | Alabama | AL | 36104 |
| Juneau | Alaska | AK | 99801 |
| Phoenix | Arizona | AZ | 85001 |
| Little Rock | Arkansas | AR | 72201 |
| Sacramento | California | CA | 95814 |
| Denver | Colorado | CO | 80202 |
| Hartford | Connecticut | CT | 06103 |
| Dover | Delaware | DE | 19901 |
| Tallahassee | Florida | FL | 32301 |
| Atlanta | Georgia | GA | 30303 |
| Honolulu | Hawaii | HI | 96813 |
| Boise | Idaho | ID | 83702 |
| Springfield | Illinois | IL | 62701 |
| Indianapolis | Indiana | IN | 46225 |
| Des Moines | Iowa | IA | 50309 |
| Topeka | Kansas | KS | 66603 |
| Frankfort | Kentucky | KY | 40601 |
| Baton Rouge | Louisiana | LA | 70802 |
| Augusta | Maine | ME | 04330 |
| Annapolis | Maryland | MD | 21401 |
| Boston | Massachusetts | MA | 02201 |
| Lansing | Michigan | MI | 48933 |
| St. Paul | Minnesota | MN | 55102 |
| Jackson | Mississippi | MS | 39205 |
| Jefferson City | Missouri | MO | 65101 |
| Helena | Montana | MT | 59623 |
| Lincoln | Nebraska | NE | 68502 |
| Carson City | Nevada | NV | 89701 |
| Concord | New Hampshire | NH | 03301 |
| Trenton | New Jersey | NJ | 08608 |
| Santa Fe | New Mexico | NM | 87501 |
| Albany | New York | NY | 12207 |
| Raleigh | North Carolina | NC | 27601 |
| Bismarck | North Dakota | ND | 58501 |
| Columbus | Ohio | OH | 43215 |
| Oklahoma City | Oklahoma | OK | 73102 |
| Salem | Oregon | OR | 97301 |
| Harrisburg, | Pennsylvania | PA | 17101 |
| Providence | Rhode Island | RI | 02903 |
| Columbia | South Carolina | SC | 29217 |
| Pierre | South Dakota | SD | 57501 |
| Nashville | Tennessee | TN | 37219 |
| Austin | Texas | TX | 78701 |
| Salt Lake City | Utah | UT | 84111 |
| Montpelier | Vermont | VT | 05602 |
| Richmond | Virginia | VA | 23219 |
| Olympia | Washington | WA | 98507 |
| Charleston | West Virginia | WV | 25301 |
| Madison | Wisconsin | WI | 53703 |
| Cheyenne | Wyoming | WY | 82001 |
| Pago Pago | American Samoa | AS | 96799 |
| Washington | District of Columbia | DC | 20001 |
| Kolonia | Federated States of Micronesia | FM | 96941 |
| Agana (Hagåtña) | Guam | GU | 96910 |
| Majuro | Marshall Islands | MH | 96960 |
| Saipan | Northern Mariana Islands | MP | 96950 |
| Melekeok | Palau | PW | 96939 |
| San Juan | Puerto Rico | PR | 00901 |
| Charlotte Amalie | Virgin Islands | VI | 00802 |